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Showing 1-30 of 36 results for "D194255" within Papers
Baoliang Chen et al.
Journal of environmental sciences (China), 21(8), 1044-1052 (2009-10-30)
To further elucidate interaction of nitroaromatic compounds with mineral surface, the sorption of m-dinitrobenzene (m-DNB) and nitrobenzene to original bentonite in aqueous solution containing different electrolytes (i.e., KCl, NH4Cl, CaCl2 and Tetramethylammonium bromide (TMAB)) was studied. The sorption of m-DNB
Joan Eilstein et al.
Archives of toxicology, 88(9), 1681-1694 (2014-03-25)
Skin function is not limited to a physical barrier. According to its total surface area, it is also considered as an extra-hepatic metabolizing organ. In vitro engineered human skins have been developed to replace limited ex vivo normal human skin
Reza Zadmard et al.
Journal of chromatographic science, 53(5), 702-707 (2014-10-15)
In this work, we present a new method for synthesis of silica gel stationary phases based on calix[4]arene derivatives. In order to achieve it, 25,27-dipropoxy-26,28-bis-[3-propyloxydimethylsililoxy]calix[4]arene has been synthesized in six steps and immobilized on silica via chlorotrimethylsilane. Stationary phases were
Fei Lian et al.
Environmental pollution (Barking, Essex : 1987), 159(4), 850-857 (2011-02-01)
Single- and bi-solute sorption of organic compounds [1,3-dichlorbenzene (DCB), 1,3-dinitrobenzene (DNB) and 2,4-dichlorophenol (DCP)] on ground tire rubber and its chars was studied. The chars were prepared by pyrolyzing tire rubber at different temperatures (200-800 °C). Their surface area, aromaticity
Ti-Wei Chen et al.
Chemistry, an Asian journal, 6(5), 1210-1216 (2011-03-10)
A graphene-based electrochemical sensing platform for sensitive determination of explosive nitroaromatic compounds (NACs) was constructed by means of electrochemical reduction of graphene oxide (GO) on a glassy carbon electrode (GCE). The electrochemically reduced graphene (ER-GO) adhered strongly onto the GCE
Christopher Badeen et al.
Journal of hazardous materials, 188(1-3), 52-57 (2011-02-15)
During the production of nitrobenzene by an adiabatic nitration process, the main byproducts are mono and dinitrophenols as well as 2,4,6-trinitrophenol (picric acid) and 1,3-dinitrobenzene. The byproducts can become concentrated if a distillation step to remove high boiling point impurities
Naomi D Elkin et al.
Toxicological sciences : an official journal of the Society of Toxicology, 117(2), 439-448 (2010-07-14)
Evaluation of testicular toxicity during drug development is currently based on histopathological evaluation. A sensitive biomarker for testicular toxicology could provide an in-life and "early warning" measurement. Previous studies suggested that disruption of spermatogenesis induced leakage of germ cell proteins
Mark W Tengowski et al.
Biology of reproduction, 76(1), 149-163 (2006-09-22)
Theophylline (THP) and 1,3-dinitrobenzene (DNB) are thought to induce infertility by incapacitating the nurturing Sertoli cells and causing germ cell apoptosis in the testicular seminiferous epithelium, respectively. We hypothesized that THP and DNB exposure would alter the expression of the
1, 3-Dinitrobenzene reductive degradation by alkaline ascorbic acid--Reaction mechanisms, degradation pathways and reagent optimization
Ciou C,et al.
Chemosphere, 166, 482-488 (2017)
Liangliang Ji et al.
Environmental science & technology, 43(20), 7870-7876 (2009-11-20)
A microporous carbon with very high specific surface area and narrow pore size distribution was synthesized using Y zeolite as a template. The structural, porosity, and surface characteristics of the material were investigated by elemental analysis, N2 adsorption, powder X-ray
Ionic strength-induced formation of smectite quasicrystals enhances nitroaromatic compound sorption.
Hui Li et al.
Environmental science & technology, 41(4), 1251-1256 (2007-06-28)
Sorption of organic contaminants by soils is a determinant controlling their transport and fate in the environment. The influence of ionic strength on nitroaromatic compound sorption by K+- and Ca2+ -saturated smectite was examined. Sorption of 1,3-dinitrobenzene by K-smectite increased
Luciano Carlos et al.
Chemosphere, 80(3), 340-345 (2010-04-27)
Previous studies of nitrobenzene (NB) degradation by Fenton and photo-Fenton technologies have demonstrated the formation and accumulation of 1,3-dinitrobenzene (1,3-DNB) as a highly toxic reaction intermediate. In the present study, we analyze the conditions that favor 1,3-DNB formation during NB
Nidhi Goyal et al.
Pharmacological reports : PR, 67(3), 616-623 (2015-05-03)
Ulcerative colitis is a chronic inflammatory condition in which the inflammatory response confined to the colon. There is a need to explore the new targets for UC such as Farnesoid X receptor and hydrogen sulfide pathway. Wistar rats of either
Chandan L Barhate et al.
Analytica chimica acta, 898, 128-137 (2015-11-04)
State of the art chiral chromatography still employs 3-5 μm bonded or immobilized chiral selectors in 10-25 cm columns. With the availability of 1.9 μm narrow particle size distribution (NPSD) silica, it is now possible to make ever shorter, high efficiency columns practical
Yipei Wang et al.
Toxicological sciences : an official journal of the Society of Toxicology, 125(2), 509-521 (2011-11-23)
Astrocytes are acutely sensitive to 1,3-dinitrobenzene (1,3-DNB) while adjacent neurons are relatively unaffected, consistent with other chemically-induced energy deprivation syndromes. Previous studies have investigated the role of astrocytes in protecting neurons from hypoxia and chemical injury via adenosine release. Adenosine
Chenyu Lin et al.
BMC chemistry, 14(1), 66-66 (2020-12-10)
For analysis of weak π-π complexes proton-nuclear magnetic resonance (proton-NMR) simultaneously provides information of stacking configurations and association constants [Formula: see text] However, an apparent issue for this approach is inconsistent/impossible constant estimation which often leads to unreasonable interpretation for
Jianfeng Zang et al.
Analytica chimica acta, 683(2), 187-191 (2010-12-21)
A sensitive electrochemical sensor has been fabricated to detect ultratrace nitroaromatic explosives using ordered mesoporous carbon (OMC). OMC was synthesized and characterized by scanning electron microscopy, transmission electron microscopy and nitrogen adsorption/desorption measurements. Glassy carbon electrodes functionalized with OMC show
Zhenxing Liu et al.
Chemical communications (Cambridge, England), 50(39), 5061-5063 (2014-04-10)
A new method for the synthesis of 1H-indazoles from readily available N-tosylhydrazones and nitroaromatic compounds has been developed. This transformation occurs under transition-metal-free conditions and shows a wide substrate scope. The method has been successfully applied to the formal synthesis
Stephen R Steiner et al.
Neurotoxicology, 32(4), 362-373 (2011-03-16)
This study demonstrated that 1,3-dinitrobenzene-induced (1,3-DNB) oxidative stress led to the oxidative carbonlyation of specific protein targets in DI TNC1 cells. 1,3-DNB-induced mitochondrial dysfunction, as indicated by loss of tetramethyl rhodamine methyl ester (TMRM) fluorescence, was initially observed at 5h
G Mavroudis et al.
Journal of neural transmission (Vienna, Austria : 1996), 113(9), 1263-1278 (2005-12-20)
1,3-Dinitrobenzene (1,3-DNB), an intermediate used in the chemical industry, has toxic effects in the brain and testes. It produces focal lesions with marked astroglial necrosis in the rat brain upon repeated administration. Astrocytic death occurs in parallel with elevated local
Xiaolei Qu et al.
Environmental science & technology, 45(6), 2209-2216 (2011-02-25)
The objective of this work was to test two possible sorption mechanisms of organic chemicals to montmorillonite: n-π electron-donor-acceptor (EDA) interaction with lone electron pairs of siloxane oxygens (n-donors) and complexation with exchangeable cations. Batch sorption experiments were performed for
Lorentz Jäntschi et al.
Marine drugs, 6(2), 372-388 (2008-08-30)
Quantitative structure-activity relationship models were obtained by applying the Molecular Descriptor Family approach to eight ordnance compounds with different toxicity on five marine species (arbacia punctulata, dinophilus gyrociliatus, sciaenops ocellatus, opossum shrimp, and ulva fasciata). The selection of the best
Copper-Mediated Vicarious Substitution of 1, 3-Dinitrobenzene with lodophenols or lodomethyl Phenyl Sulfoxide/Sulfone
Haglund O, et al.
Synthesis, 1990(10), 942-944 (1990)
Xin Shi et al.
Environmental toxicology and chemistry, 30(6), 1310-1319 (2011-03-23)
Carbonaceous geosorbents (black carbon, coal, and humin/kerogen) play a primary role in the nonideal sorption (isotherm nonlinearity, hysteresis, and multiphasic kinetics) of hydrophobic organic chemicals by soils and sediments. The present study investigated the impact of coal structural heterogeneity on
Ishaat M Khan et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 73(5), 966-971 (2009-06-12)
The complexation of electron donor-acceptor complexes of 8-hydroxyquinoline (8HQ) and metadinitrobenzene (MNB) have been studied spectrophotometrically and thermodynamically in different polar solvent at room temperature. A new absorption band due to charge transfer (CT) transition is observed in the visible
K Sharma et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 79(5), 1063-1070 (2011-06-07)
1,3-Dinitrobenzene formed colored 1:1 complexes with aliphatic amines (chromogenic agents) like isopropylamine,ethylenediamine, tetraethylenepentamine and bis(3-aminopropyl)amine in DMSO having absorption maxima at 563 nm, 584 nm, 580.5 nm and 555 nm respectively. The complexes were stable for more than 24 h.
Yongyan Mou et al.
Journal of forensic sciences, 54(4), 846-850 (2009-05-22)
The application of attenuated total reflection (ATR)-Fourier transform infrared (FTIR) spectromicroscopy for detection of explosive particles in fingerprints is described. The combined functions of ATR-FTIR spectromicroscopy are visual searching of particles in fingerprints and measuring the FTIR spectra of the
James A Miller et al.
Toxicological sciences : an official journal of the Society of Toxicology, 122(2), 502-511 (2011-05-10)
Prolonged exposure to the chemical intermediate, 1,3-dinitrobenzene (1,3-DNB), produces neuropathology in the central nervous system of rodents analogous to that observed in various conditions of acute energy deprivation including thiamine deficiency and Leigh's necrotizing encephalopathy. Increased production of reactive intermediates
[M-Dinitrobenzene poisoning induced liver damage in one patient].
Jun Shi et al.
Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases, 24(5), 307-307 (2006-06-02)
Cameron Johns et al.
Analytica chimica acta, 876, 91-97 (2015-05-23)
CE methods have been developed for the analysis of organic and peroxide-based explosives. These methods have been developed for deployment on portable, in-field instrumentation for rapid screening. Both classes of compounds are neutral and were separated using micellar electrokinetic chromatography
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